User talk:Gwideman

Welcome!

Hello, Gwideman, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:

I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{helpme}} before the question. Again, welcome! --PST 11:11, 9 December 2009 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2009-12-09T11:11:00.000Z","author":"Point-set topologist","type":"comment","level":1,"id":"c-Point-set_topologist-2009-12-09T11:11:00.000Z","replies":[],"displayName":"PS"}}-->

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Talk:Tangent bundle

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I have responded to some of your points in furthur depth at Talk:Tangent bundle. Cheers, --PST 11:11, 9 December 2009 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2009-12-09T11:11:00.000Z","author":"Point-set topologist","type":"comment","level":1,"id":"c-Point-set_topologist-2009-12-09T11:11:00.000Z-Talk:Tangent_bundle","replies":[],"displayName":"PS"}}-->

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Wrong edit on Moon

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It seems you didn't check source and made this edit. Anon IP pointed out and after checking source I have reverted your edit. Pls make sure before making such edits. Thanks. neo (talk) 21:23, 2 June 2013 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2013-06-02T21:23:00.000Z","author":"Neo.","type":"comment","level":1,"id":"c-Neo.-2013-06-02T21:23:00.000Z-Wrong_edit_on_Moon","replies":[],"displayName":"neo"}}-->

Hmmm, you're right. I mistook axial tilt (1.54 degrees) for inclination (5.14 degrees), combined with thinking that in the figure "Schematic of the Earth-Moon system" the dotted red line was the moon axis of rotation and perpendicular to the moon-orbit line. (Hence inclination = axial tilt). That's a wrong interpretation of course. The figure is correct, but part of what led me astray is that the color scheme doesn't consistently tie the axes, orbits and orbit-perpendiculars. Not fatal, but confusing: 

Body   Axis  Orbit  Orbit perpendicular
Earth  Blue  Blue   Red
Moon   Blue  Red    Red

Anyhow, thanks for reparing. Gwideman (talk) 04:08, 7 June 2013 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2013-06-07T04:08:00.000Z","author":"Gwideman","type":"comment","level":1,"id":"c-Gwideman-2013-06-07T04:08:00.000Z-Wrong_edit_on_Moon","replies":[]}}-->